Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/7021#discussion_r33970514
--- Diff: core/src/main/scala/org/apache/spark/rdd/RDDCheckpointData.scala
---
@@ -66,6 +88,27 @@ private[spark] class RDDCheckpointData[T:
ClassTag](@transient rdd: RDD[T])
cpFile
}
+ // Get the iterator used to write checkpoint data to HDFS
--- End diff --
can you make this a real java doc:
```
/**
* Wrap the given iterator in a checkpointing iterator, which checkpoints
values
* as the original iterator is consumed. This allows us to checkpoint the
RDD
* without computing it more than once (SPARK-8582).
*/
```
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